1 Human development is the scientific study of processes of change and stability.  The scientific study of human development began with studies of childhood during the nineteenth century.
verb (used with object), cultivated, cultivating. 1. to prepare and work on (land) in order to raise crops; till. 2. to use a cultivator on. 3. to promote or improve the growth of (a plant, crop, etc.) by labor and attention.
cultivated. 1  1 : to prepare land for the raising of crops cultivate a field. 2  2 : to raise or assist the growth of crops by tilling or by labor and care cultivate corn. 3  3 : to improve or develop by careful attention, training, or study : devote time and thought to He's trying to cultivate a better attitude.